rust/crates/ra_assists/src/doc_tests.rs
Aleksey Kladov 9769c5140c Simplify Assists interface
Instead of building a physical tree structure, just "tag" related
assists with the same group
2020-02-09 16:03:54 +01:00

36 lines
1.1 KiB
Rust

//! Each assist definition has a special comment, which specifies docs and
//! example.
//!
//! We collect all the example and write the as tests in this module.
mod generated;
use ra_db::FileRange;
use test_utils::{assert_eq_text, extract_range_or_offset};
use crate::resolved_assists;
fn check(assist_id: &str, before: &str, after: &str) {
let (selection, before) = extract_range_or_offset(before);
let (db, file_id) = crate::helpers::with_single_file(&before);
let frange = FileRange { file_id, range: selection.into() };
let assist = resolved_assists(&db, frange)
.into_iter()
.find(|assist| assist.label.id.0 == assist_id)
.unwrap_or_else(|| {
panic!(
"\n\nAssist is not applicable: {}\nAvailable assists: {}",
assist_id,
resolved_assists(&db, frange)
.into_iter()
.map(|assist| assist.label.id.0)
.collect::<Vec<_>>()
.join(", ")
)
});
let actual = assist.action.edit.apply(&before);
assert_eq_text!(after, &actual);
}